The product is a lot of political campaign pinback buttons from the 1968 and 1972 presidential elections, specifically featuring candidates Nixon, McGovern, and Humphrey. These collectible items fall under the theme of campaigns, elections, and politics, making them a unique and historical piece for any collector or enthusiast of political memorabilia. Each button likely holds significance in documenting the political landscape of the time period and showcases the political campaigns of these notable candidates.